1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  * SLIM core rproc driver header
4  *
5  * Copyright (C) 2016 STMicroelectronics
6  *
7  * Author: Peter Griffin <peter.griffin@linaro.org>
8  */
9 #ifndef _ST_REMOTEPROC_SLIM_H
10 #define _ST_REMOTEPROC_SLIM_H
11 
12 #define ST_SLIM_MEM_MAX 2
13 #define ST_SLIM_MAX_CLK 4
14 
15 enum {
16 	ST_SLIM_DMEM,
17 	ST_SLIM_IMEM,
18 };
19 
20 /**
21  * struct st_slim_mem - slim internal memory structure
22  * @cpu_addr: MPU virtual address of the memory region
23  * @bus_addr: Bus address used to access the memory region
24  * @size: Size of the memory region
25  */
26 struct st_slim_mem {
27 	void __iomem *cpu_addr;
28 	phys_addr_t bus_addr;
29 	size_t size;
30 };
31 
32 /**
33  * struct st_slim_rproc - SLIM slim core
34  * @rproc: rproc handle
35  * @mem: slim memory information
36  * @slimcore: slim slimcore regs
37  * @peri: slim peripheral regs
38  * @clks: slim clocks
39  */
40 struct st_slim_rproc {
41 	struct rproc *rproc;
42 	struct st_slim_mem mem[ST_SLIM_MEM_MAX];
43 	void __iomem *slimcore;
44 	void __iomem *peri;
45 
46 	/* st_slim_rproc private */
47 	struct clk *clks[ST_SLIM_MAX_CLK];
48 };
49 
50 struct st_slim_rproc *st_slim_rproc_alloc(struct platform_device *pdev,
51 					char *fw_name);
52 void st_slim_rproc_put(struct st_slim_rproc *slim_rproc);
53 
54 #endif
55